Square display

Geometry Level 2

In the above image, A B C D , E B F I , H I G D ABCD, EBFI,HIGD are all squares.

If the area of H I G D HIGD is 16 and the ratio of areas of H I G D HIGD to E B F I EBFI is 4 : 1 4:1 , what is the area of A B C D ABCD ?

20 30 25 36 16

Chung Kevin by Chung Kevin , 45, Australia

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1 solution

Fox To-ong
Feb 13, 2015

By ratio and proportion the length of side of ABCD = 6

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